Drinking-cup.



G. W. BEADLE.

DRINKING CUP.

APPLIOATION FILED 00124, 1911.

L3@,8 m Patented June 25, 1912.

Mil/EN TOR GG'QWBEQaZE A TTOR/VEYS G. W. BEADLE.

DRINKING CUP.

APPLIGATION FILED 0011.24, 1911.

Patented June 25, 1912.

2 SHEETS-SHEET 2.

ATTORNEYS GEORGE W. BEADLE, OF BAYONNE, NEW JERSEY, ASSIGNOR TO SINGLE SERVICE PACKAGE CORPORATION OF AMERICA, OF NEW YORK, N. Y., A CORPORATION OF NEW JERSEY.

Specification of Letters Patent.

Patented June 25, 191%.

Application filed October 24, 1911. Serial No. 656,439.

To all whom 'z't may concern:

Be it known that T, GEORGE W. BnADLn, a

citizen ofthe United States, residing at Bayonne, in the county of Hudson and State of New Jersey, have invented certain new and useful Improvements in Drinking- Cups; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it ap'pertains to make and use the same.

my cup more fully hereinafter described j and particularly pointed out in the claims.

Referring to the accompanying drawings forming a part of this specification in which like numerals designate like parts in all the vieWs':--Figure 1 is a perspective View of my improved cup; Fig. 2 is an enlarged longitudinal sectional view of the same; Fig. 3 is a bottom plan view of the cup; Fig. 4 is a side elevational view of a paper blank from which the cup is made and shown as wound on a mandrel; Fig. 5 is a perspective diagrammatic view of a blank on a mandrel, and showing a means for forming the drinking edge, as well as a means for folding the bottom of the cup; Fig. 6 is a perspective View of a partially completed drinking cup as it comes from the mandrel shown in Fig. 5, and illustrating the folded bottom before it is subjected to the dies; Fig. 7 is a plan view of the convolutions of the paper blank before the bottom has been folded; and Fig. 8 is a view showing the manner in which the bottom of the improved cup is shaped into the form shown in Fig. 2 in order to make the same water tight.

This cup is preferably made of a thin strip of paraiiined paper convolutely wound, and comprises the side-walls 1, the turned over drinking edge 2, and the bottom 3, which is formed with the series of corrugations 4 terminating in a central sealing cone 5.

tral projecting cone 10. The upper end of the mandrel also carries a spinning die such as 11. The paper strip is chosen of such a width, that it will extend beyond the crimping die 8 a sufficient distance to allow the extreme end 6 of the tube when formed to overlap upon itself when turned under to form the bottom of the vessel, as best illustrated in Figs. 2 and 8.

After the blank has been wound around the mandrel a plurality of times and the edges 20 overlapas illustrated in Fig. 7, a bottom closing member, such as 12, Fig. 5, is brought into operation, and which, owing to the rotation of the tube, causes the extending end 6 of the paper to be folded and i turned under in a neat and compact manner,

as well as to inclose the crimping die 8, as best shown in Fig. 8. As shown in Fig. 5, the bottom closing member 12 is provided with angular-1y disposed edges adapted to engage the extended end 6 of the rotating tube with aprogressive wedging action, thereby forming a bottom of uniform folds having their inner ends smoothly overlapping sufliciently to permit the formation of a sealing cone hereinafter described. Simultaneously with the operation of turning under the end 6 of the paper tube, the latter is forced against the spinning die 11, and the drinkingedge 2 is spun on the cup.

After the operations of the bottom closing member 12 and the spinning member 11 have been completed and they have been returned to their normal position, and while the mandrel 7 is still revolving, the convex crimping punch or die 13 is brought into action. This die 13 is provided with a series of corrugations 14 terminating in an inverted cone 15 adapted to receive the projecting cone 10, while the convex corrugations 14- are adapted to be received by the depressions or corrugations 9 in the die 8. When the members 8 and 13 are thus brought together, the bottom of the cup is forced upward into the convex shape shown in Fig. 2, and the sealing cone 5 thus formed is found to effectually prevent all leakage of liquid for the time during whi ehtheeup 'is -erdi-- narily used, notwithstanding the fact that no glue or other adhesives may have been employedinthemanufacture'ofthe cup. It

will further be seen that by forming this graced and strengthened, and [therefore paper stock is required to produce a cup of.

a given. strength than. would otherwise -be the case. I 1 v It; is obvious that those's'killed in the art 1 may vary the details of construction witho'ut'departing from'the spirit of my invention,.andtherefore 'I do not wish to be limited to the above disclosure except asmay be. required "bythe claims. What I cla m is ILA drinking cup composed of a single piece of paper having a bottom 'formed solely -from overlapping ields of such single pieceof paper and sealed fluid tight by a cone formed from theoverlapping ends of such several folds.

:2. A drinking cup eomposedoi asin'gle' .pieee ofpaper having an upwardly-extended bottom formed solely' from overlapping folds of such single piece of paper and sealed fluid tight by a cone positioned above the base of said cup and formed ifromzthe overlapping ends of suchseveral folds.

3. A drinkingjcu-p composed. of a single 'piece of paper having a stiffened, drinking anda corrugated bottom formedsolly from overlapping folds of: such single piece of paper and sealed fluid tiglit'ibya cone forrned fromthe overlappingends of such several folds.

' In testimony whereof, I aflix -my sigma ture in'presence oftwo witnesses.

' GEQRGE- BEADLE.

Witnesses:

, H. S. RODGERS, flJHJ-Gnwncim. 

